This is a repalcement dual extruder assembly for the Asterid 2000 Series machine.  Can be used to upgrade a single extruder Astrid 2000 series machine as well.  

Includes:  2 extruder motors, 2 drive gears, 2 Tensioning arms, Cold end plastic assembly, x-axis mounting brackets, dual extruder cooling block, 2 heat sinks, 2 heat sink fans and 2 hot ends for the dual extruder.  

*Note:  Stepper drivers sold seperately.

Aailable with wire legths for machine with smart controller and wire lenghts for machine w/out smart controller.